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Differences What are the advantages of each

Front view of Intel Core2 Duo T8100

Reasons to consider the
Intel Core2 Duo T8100

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.1 GHz vs 1.33 GHz Around 60% higher clock speed
Much more l2 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l2 cache per core
Significantly better overclocked clock speed (Air) 2.47 GHz vs 1.33 GHz More than 85% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.1 GHz vs 1.33 GHz More than 2.2x better overclocked clock speed (Water)
Front view of Intel Atom E3805

Reasons to consider the
Intel Atom E3805

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 2.44W vs 28.44W 11.7x lower typical power consumption
Newer Oct, 2014 vs Jan, 2008 Release date over 6 years later
Significantly lower annual home energy cost 0.72 $/year vs 8.43 $/year 11.7x lower annual home energy cost
Significantly lower annual commercial energy cost 2.63 $/year vs 30.66 $/year 11.7x lower annual commercial energy cost

Features Key features of the Core2 Duo T8100  vs Atom E3805 

clock speed

Core2 Duo T8100
2.1 GHz
Atom E3805
1.33 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo T8100
2.47 GHz
Atom E3805
1.33 GHz

overclocked clock speed (water)

Core2 Duo T8100
3.1 GHz
Atom E3805
1.33 GHz

Specifications Full list of technical specs

summary

Core2 Duo T8100  vs
Atom E3805 
Clock speed 2.1 GHz 1.33 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 3W
Annual home energy cost 8.43 $/year 0.72 $/year
Annual commercial energy cost 30.66 $/year 2.63 $/year
Typical power consumption 28.44W 2.44W

details

Core2 Duo T8100  vs
Atom E3805 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 3 MB 1 MB
L2 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.47 GHz 1.33 GHz
Overclocked clock speed (Water) 3.1 GHz 1.33 GHz
Overclocked clock speed (Air) 2.47 GHz 1.33 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture FSB FSB
Number of links 1 1
Intel Core2 Duo T8100
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Intel Atom E3805
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